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38 lines
809 B
Bash
38 lines
809 B
Bash
8 years ago
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#!/bin/bash
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INTERFACE=mullvad
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FAILED_FILE=/tmp/mullvad.failed
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fail=false
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if [ ! -e /sys/class/net/$INTERFACE ]; then
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echo "$INTERFACE interface does not exist"
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fail=true
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else
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start_bytes=$(cat /sys/class/net/$INTERFACE/statistics/rx_bytes)
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sleep 30
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end_bytes=$(cat /sys/class/net/$INTERFACE/statistics/rx_bytes)
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if [ $(($end_bytes-$start_bytes)) -lt 1000 ]; then
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#echo "no traffic via $INTERFACE"
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fail=true
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fi
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fi
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if $fail; then
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systemctl is-active openvpn-client@mullvad.service > /dev/null
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if [ $? -ne 0 ]; then
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systemctl status openvpn-client@mullvad.service
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if [ -e $FAILED_FILE ]; then
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echo restart openvpn-client@mullvad.service
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systemctl restart openvpn-client@mullvad.service
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else
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touch $FAILED_FILE
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fi
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fi
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else
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if [ -e $FAILED_FILE ]; then
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rm $FAILED_FILE
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fi
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fi
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